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Caption: Booklet - Engineering Experiment Station and Industry (1909)
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18 Breckenridge—Engineering Experiment Station Breckenridge—Engineering Experiment Station 19 it applicable to a large range of tests. The calibration of the machine shows that it is very accurate and very sensitive. For the smaller loads a second poise weighing up to 60,000 lb. is used. Fig. 14. (2) An Olsen four-screw testing machine of 200,000 lb. for tests in tension, compression and flexure. This machine will take beams up to a length of 20 ft. Fig. 15. (3) Four 100,000-lb testing machines of different makes, fitted up in the usual way. . (4) An Olsen torsion machine of 220,000 inch-pound capacity. (5) An Olsen vibratory testing machine for testing stay bolts. (6) An impact testing machine with a capacity of 3,000 foot pounds, fitted with autographic apparatus for recording the velocity of the falling weight and the deformation of the specimen. FIG. 1 7 . — T E S T I N G L A R G E REINFORCED C O N C R E T E F L O O R SLABS I. C. R. R. T R A C K ELEVATION ' FIGi 19. EXPERIMENTAL BOILER PLANT, 210 H. P. HEINE WATER TUBE BOILER GREEN CHAIN GRATE, STURTEVANT ECONOMIZER AND FOSTER SUPERHEATER FIG. l 8 . GENERAL VIEW OF MECHANICAL ENGINEERING LABORATORY (7) Four hydraulic jacks with pumps having a total capacity of 800,000 lb., with auxiliary rigging, available for testing large culvert pipe, large reinforced concrete beams, reinforced concrete pier footings and other bulky pieces. Fig. 16 and 17. (8) A variety of smaller machines for testing cast iron, timber, etc. r" (9) A large equipment in measuring devices such as extensometers for various uses, autographic recording devices, gauges, etc. Many of these pieces of apparatus were designed and built by the department and are especially adapted to the work of the laboratory. (10) A commodious hydraulic laboratory, well equipped with steam engine, steam pumps, centrifugal pumps, standpipe and pressure tanks, lines of piping, measuring pits, tanks, weirs, gauges, meters, motors, etc., giving excellent facilities for testing hydraulic apparatus and for making investigations in hydraulics. The equipment includes apparatus for the study of problems of sedimentation and filtration of public water supplies and the softening and removal of iron from water.
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